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SubjectRe: regression caused by: genirq: do not leave interupts enabled on free_irq
On Tue, Apr 15, 2008 at 1:17 AM, Ingo Molnar <mingo@elte.hu> wrote:
>
> * Yinghai Lu <yhlu.kernel@gmail.com> wrote:
>
>
> > > Do we think it's a bug in the RHEL 5.1 kernel? Even so, that's a
> > > problem for the 2.6.25 kernel.
> >
> > it is RHEL 5.1 kernel problem, it has code for maskbit with msi there,
> > but that does work...
typo: should be "that does *not* work"
>
> addendum - basically the argument is: we should kexec conservatively -
> i.e. we should leave as few assumptions and hw changes around as
> possible. So restoring the MSI state is fair enough as a robustness fix,
> even though only kexec to older kernels is affected.

i keep using kexec back and forth to avoid BIOS post stage.

YH


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